Scuba Diving Tank Sizes

How to choose the best scuba tanks size.

Scuba diving tank sizes.

There is no perfect size tank for all diving types and all divers. Divers can choose between scuba tanks manufactured from aluminum or steel. A diving cylinder scuba tank or diving tank is a gas cylinder used to store and transport the high pressure breathing gas required by a scuba set it may also be used for surface supplied diving or as decompression gas or an emergency gas supply for surface supplied diving or scuba. There is a lot of information listed on the crown of the tank and the order in which the information is listed varies from tank to tank but the codes are standardized and easy to read if you know what to look for.

Back mounted cylinders range from 45 130 cubic feet plus. Divers direct carries 4 sizes in blue. Steel dive tanks weigh more due to the material in which it s made requiring less weight to be used in a weight belt. The capacity of a scuba cylinder is an important consideration.

Smaller than an aluminum tank of the same capacity a steel scuba tank is a more compact air supply solution a fact that becomes doubly important for twin tank setups. Cylinders provide gas to the diver through the demand valve of a diving regulator or the breathing loop of a. Dive tank pressures span a wide range but the most common pressures are low 2400 to 2640 psi standard 3000 psi and high 3300 to 3500 psi. Pony or bailout bottles can range from 6 40 cubic feet.

Steel scuba tanks are denser than aluminum tanks meaning you have to be less concerned with buoyancy issues especially at the end of a dive.